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Tuesday, November 30, 2021

Amitabha Ghosh

Dr Amitabha Ghosh is Chair of the Science Operations Working Group of the NASA Mars Exploration Rover Mission

Helicopter lift-off on Mars: what does the future hold?
Tue, Apr 20, 2021

The future of Martian flight opened up on Monday. It is going to be another journey of discovery in the next decade or two as we fine-tune the engineering and the application of Martian helicopters.

Explained: Why is Mars so interesting to scientists, and the adventurer that lives in us all?
Wed, Feb 24, 2021

NASA's Mars 2020 Perseverance Rover touched down on the Martian surface in the early hours of Friday. The results of the experiments by Perseverance will likely define the next couple of decades of Mars exploration. A NASA scientist explains why and how.

Explained: With NASA’s Perseverance and China’s Tianwen-1, a flurry of missions to Mars
Wed, Feb 24, 2021

Early on Friday India time, NASA’s Perseverance rover is scheduled to touch down on Mars. Last week, the UAE’s Hope mission entered Martian orbit, and was followed closely by a Chinese mission. The flotilla of missions represents the spread of planetary exploration in general, and Mars exploration in particular.

An Expert Explains: As Crew Dragon splashes down, here are the key Mission takeaways
Mon, Aug 03, 2020

With splashdown in the Gulf of Mexico a little after midnight on Sunday in India, the curtains have come down on what is much more than just another successful technology demonstration experiment in NASA and SpaceX’s history.

Perseverance launch today: A look at NASA’s mission to Mars
Thu, Jul 30, 2020

NASA's Mars 2020 Perseverance rover launch: A look at NASA’s experience with previous rovers, what will be new with the fourth-generation rover, and why there is so much recent interest in Mars.

Chandrayaan-2: Why experimentation is important, and why the journey matters, too
Mon, Sep 09, 2019

The loss of signal sounds very innocuous but usually belies a much deeper problem. Why would a perfectly healthy spacecraft suddenly stop communicating?

An expert explains: 10, 9, 8… in the end, it was the 7 terrifying minutes
Sat, Sep 07, 2019

A celebrated NASA scientist explains the significance of the Chandrayaan-2 mission – for ISRO, India, the world, and humankind as a whole.

In NASA mission, InSight on Marsquakes, eyes in deep space
Tue, Nov 27, 2018

The InSight lander was expected to arrive at Mars around 1 am IST Tuesday, making a soft precision descent on Elysium Planitia, a plain near the Martian equator — NASA’s first attempt to land on Mars since Curiosity in 2012.

Cassini 1997-2017: Voyage of endless discovery, hope for life in mysterious ocean over a billion km away
Fri, Sep 15, 2017

Around 5.30 pm IST today, NASA’s Cassini spacecraft will be crushed by the pressure and temperature of the final embrace of the planet it has romanced since arriving in the Saturnian world 13 yrs ago. Mankind’s giant interplanetary leap has opened the doors for some of astronomy’s greatest discoveries.

NASA’s Juno mission: After 5 yrs, 1.8 bn-mile flight, a 3-sec beep
Mon, Jul 04, 2016

This is what NASA scientists will be listening out for at 11.53 pm ET on July 4 — 9.23 am IST July 5 — when the radio signal marking the entry of the Juno spacecraft into Jupiter’s orbit reaches Earth. The next 20 months that Juno spends in Jupiter’s grip is expected to revolutionise knowledge of the planet

What the discovery of liquid water on red planet Mars means
Sat, Dec 26, 2015

In this Indian Express Exclusive, Dr Amitabha Ghosh explains what the discovery of liquid water on Mars means — for scientists, exploration missions, the human race, and for the future attempts to colonise the Red Planet.

Why Mars?
Tue, Nov 05, 2013

ISRO should explore new frontiers,not replicate what’s been done by others.

Some object lessons
Fri, Oct 21, 2011

Collaboration with foreign universities needs a pragmatic business model

Destination Mars
Sun, Jan 04, 2004

It is about 1 am in Pasadena, California. The freeway for Los Angeles is almost empty but at the Jet Propulsion Laboratory (JPL), the action...